[KC Chiefs.com] The Chiefs placed tight end Kevin Boss on injured reserve today and replaced him on the roster with linebacker Bryan Kehl, a five-year linebacker who formerly played for the St. Louis Rams.

Boss, who signed as a free agent this season from Oakland, suffered a concussion in the second game of the season at Buffalo and has missed the last two games. He caught three passes for 65 yards, including a 22-yard touchdown pass in the season opener against Atlanta.

Doctors have not cleared him to play for the rest of this season, Chiefs coach Romeo Crennel said.